*{
    margin: 0;
    padding: 0;
}
body{
    padding-right: 20px;
}
.box{
    width: 100%;
    height: 100%;
}
.list{
    height: 50px;
    margin-left: 20px;
    margin-right: 20px;
    background-color:rgb(243,243,243);
    padding-right: 15px;
}
.list-left {
    width: 150px;
    height: 30px;
    margin-top: 10px;
    float: left;
}
.list-left-left{
    width: 10px;
    height: 30px;
    float: left;
    background-color: #008000;
}
.list-left-right{
    width: 120px;
    height: 30px;
    font-size: 14px;
    line-height: 30px;
    float: left;
    text-indent: 5px;
}
.list-right{
    float: right;
    margin-top: 5px;
}
.functionButton,.queryButtonBox,#courseSearch{
    float: right;
}
.courseForm{
    margin-top: 40px;
    margin-bottom: 40px;
}
form {
    text-align: center;
}
#preview {
    width: 400px;
    height: 200px;
    border: 1px solid #eee;
}
.layui-form-item i{
    font-size: 25px;
    cursor: pointer;
}
#selectNode{
    display: none;
    color: red;
    margin-bottom: 15px;
}
.layui-btn+.layui-btn{
    margin: 0;
}
#uploadCourseImg,#uploadCourseVideo{
    margin-top: 10px;
    display: none;
}
.previewItem{
    cursor:pointer;
    width: 100px;
    height: 100px;
}
#detailTbody tr:hover {
    background: #fff;
}
.uploader-list .info {
    position: relative;
    margin-top: -25px;
    background-color: black;
    color: white;
    filter: alpha(Opacity=80);
    -moz-opacity: 0.5;
    opacity: 0.5;
    width: 100px;
    height: 25px;
    text-align: center;
    display: none;
}

.uploader-list .handle {
    position: relative;
    background-color: #ff6a00;
    color: white;
    filter: alpha(Opacity=80);
    -moz-opacity: 0.5;
    width: 100px;
    text-align: right;
    height: 18px;
    margin-bottom: -18px;
    display: none;
    cursor: pointer;
}
.uploader-list .handle i{
    font-size: 16px;
}
#progress{
    margin: 10px 0 0 48px;
}
img{
    width: 100px;
    height: 100px;
}